Vulnerability CVE-2018-16869: Information
Description
A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process, could use this flaw extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.
Severity: MEDIUM (5.7) Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
|---|---|---|---|---|---|---|
| nettle | sisyphus | 3.4.1-alt1 | 3.9.1-alt1 | ALT-PU-2018-2797-1 | 217427 | Fixed |
| nettle | p10 | 3.4.1-alt1 | 3.7.3-alt1 | ALT-PU-2018-2797-1 | 217427 | Fixed |
| nettle | p9 | 3.4.1-alt1 | 3.4.1-alt1 | ALT-PU-2018-2797-1 | 217427 | Fixed |
| nettle | p8 | 3.4.1-alt1 | 3.4.1-alt1 | ALT-PU-2018-2975-1 | 217493 | Fixed |
| nettle | c10f1 | 3.4.1-alt1 | 3.7.3-alt1 | ALT-PU-2018-2797-1 | 217427 | Fixed |
| nettle | c9f2 | 3.4.1-alt1 | 3.4.1-alt1 | ALT-PU-2018-2797-1 | 217427 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16869 |
|
| http://cat.eyalro.net/ |
|
| 106092 |
|